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Author SHA1 Message Date
Michael Niedermayer
78ece38bc0 avformat/ftp: Check for av_strtok() failure 
Fixes: CID1396258 Dereference null return value

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9d40782088)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
2d14096d63 tools/cws2fws: Check read() for failure 
Fixes: CID1452579 Argument cannot be negative

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0b3cdd7cc2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
3fc0ffdf4f avcodec/cpia: Fix missing src_size update 
Fixes: out of array read
Fixes: 35210/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CPIA_fuzzer-5669199688105984

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cea05864e6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
ff1bb8ce6b avcodec/utils: Use 64bit for intermediate in AV_CODEC_ID_ADPCM_THP* duration calculation 
Fixes: signed integer overflow: 486539264 * 14 cannot be represented in type 'int'
Fixes: 35281/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-6068262742917120

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 00ae9b77ef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
3b7ece0fcc avformat/rmdec: Check old_format len for overflow 
Maybe such large values could be disallowed earlier and closer to where
they are set.

Fixes: signed integer overflow: 538976288 * 8224 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_RM_fuzzer-6704350354341888

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 06d174e289)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
0233d6c829 avformat/realtextdec: Check the pts difference before using it for the duration computation 
Fixes: signed integer overflow: 5404200000 - -9223372031709351616 cannot be represented in type 'long'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_REALTEXT_fuzzer-6737340551790592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fe12aa6890)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
115621acb2 avformat/qcp: Avoid negative nb_rates 
Fixes: signed integer overflow: 2 * -1725947872 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_QCP_fuzzer-6726807632084992

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1b865cc703)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
59971fee9c avformat/nutdec: Check tmp_size 
Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_NUT_fuzzer-6739990530883584

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1ca00b5e44)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
a971e35df1 avformat/msf: Check that channels doesnt overflow during extradata construction 
Fixes: signed integer overflow: 2048 * 1122336 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MSF_fuzzer-6726959600107520

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a1a277926b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
4748d46ab3 avformat/mpc8: Check for position overflow in mpc8_handle_chunk() 
Fixes: signed integer overflow: 15 + 9223372036854775796 cannot be represented in type 'long'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6723520756318208
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MPC8_fuzzer-6739833034768384

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8ef25d1182)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
d8b0f5a2c0 avformat/iff: Use 64bit in duration computation 
Fixes: signed integer overflow: 588 * 16719904 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-6748331936186368

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 93d964689c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
035ff41b71 avformat/dxa: Check fps to be within the supported range more precissely 
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int'); cast to an unsigned type to negate this value to itself
Fixes: assertion failure
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_DXA_fuzzer-6744985740378112

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6ea494befc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
41035de57e avcodec/iff: Only write palette to plane 1 if its PAL8 
Fixes: null pointer passed as argument 1, which is declared to never be null
Fixes: 33791/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5107575256383488.fuzz

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 216eb60b85)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
e992d0668d avformat/tta: Check for EOF in index reading loop 
Fixes: OOM
Fixes: 33585/clusterfuzz-testcase-minimized-ffmpeg_dem_TTA_fuzzer-4564665830080512

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b72d657b73)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:21 +02:00
Michael Niedermayer
bfa1895472 Update missed irc links 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c067d20177)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
33dabdc8a7 avformat/rpl: The associative law doesnt hold for signed integers in C 
Add () to avoid undefined behavior
Fixes: signed integer overflow: 9223372036854775790 + 57 cannot be represented in type 'long'
Fixes: 34983/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5765822923538432

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 480f11bdd7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
219839f311 avcodec/faxcompr: Check available bits in decode_uncompressed() 
Fixes: Timeout
Fixes: 34950/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5686764151898112
Fixes: 34966/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4587409334468608

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ff56c139e0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
1eaabed791 avcodec/faxcompr: Check if bits are available before reading in cmode == 9 || cmode == 10 
Fixes: Timeout
Fixes: 34950/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5686764151898112

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7d8421e3d5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
222fc50dbb avcodec/utils: do "calc from frame_bytes, channels, and block_align" in 64bit 
Fixes: signed integer overflow: 104962766 * 32 cannot be represented in type 'int'
Fixes: 33614/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-6252129036664832

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3447979d08)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
a393000d6d avcodec/ttadata: Add sentinel at the end of ff_tta_shift_1 
Fixes: out of array access
Fixes: 34933/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5629322560929792

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dbbcfbcc4e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
e8eeabea99 avfilter/vf_dctdnoiz: Check threads 
Fixes: floating point division by 0
Fixes: Ticket 8269

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4a3917c02c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
366e80698e avfilter/vf_ciescope: Fix undefined behavior in rgb_to_xy() with black 
Fixes: floating point division by 0
Fixes: undefined behavior in handling NaN
Fixes: Ticket 8268

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3d500e62f6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
300a9ab2eb avformat/rpl: Check for EOF and zero framesize 
Fixes: Infinite loop
Fixes: 34751/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5439330800762880
Fixes: 34774/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5851571660390400

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a0a4a527c3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
6bb993761e avcodec/vc2enc: Check for non negative slice bounds 
Fixes: invalid shifts
Fixes: Ticket 8221

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f7862e8268)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
a9919e7f1f avformat/rpl: Use 64bit in bitrate computation and check it 
Fixes: signed integer overflow: 777777776 * 4 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-6726188921913344

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 29b244ffc1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
0a0fc56d14 avcodec/svq1enc: Do not print debug RD value before it has been computed 
Avoids floating point division by 0

Fixes: Ticket8191

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c297f7e57a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
799c7b73d8 avcodec/aacpsy: Check bandwidth 
Fixes: Ticket8011

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 36dead4bc2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
00a14cfeb2 avcodec/aacenc: Do not divide by lambda_count if it is 0 
Avoids Floating point division by 0

Fixes: Ticket8011

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c520b98691)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
162f4df07b avcodec/aacenc: Use FLT_EPSILON for lambda minimum 
(cherry picked from commit 4b89cf7aa4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
a7c3cfd8ea avfilter/vf_yadif: Fix handing of tiny images 
Fixes: out of array access
Fixes: Ticket8240
Fixes: CVE-2020-22021

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7971f62120)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bb08ee0c6fb7bdebd37cbf00aefed206909e8f78)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
64602be17d avformat/cinedec: Fix index_entries size check 
Fixes: out of array access
Fixes: 29868/clusterfuzz-testcase-minimized-ffmpeg_dem_CINE_fuzzer-5692001957445632

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
ef75363a43 avformat/movenc: Check pal_size before use 
Fixes: assertion failure
Fixes: out of array read
Fixes: Ticket8190
Fixes: CVE-2020-22015

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4c1afa2925)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
a6dc7ba0ec avcodec/lpc: Avoid floating point division by 0 
Fixes: Ticket7996
Fixes: CVE-2020-20445

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 38d18fb578)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
f5d0848098 avcodec/aacpsy: Avoid floating point division by 0 of norm_fac 
Fixes: Ticket7995
Fixes: CVE-2020-20446

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 223b5e8ac9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
d6737266a9 avcodec/aacenc: Avoid 0 lambda 
Fixes: Ticket8003
Fixes: CVE-2020-20453

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a7a7f32c8a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
68d77a5580 avcodec/exr: x/ymax cannot be INT_MAX 
The code uses x/ymax + 1 so the maximum is INT_MAX-1

Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 33158/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5545462457303040

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 48342aa075)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
4588d46c37 avformat/avio: Check av_opt_copy() for failure 
Fixes: CID1477416 Unchecked return value

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f8611ae1ef)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
9c85898056 avcodec/vc1: Check remaining bits in ff_vc1_parse_frame_header() 
Fixes: Timeout
Fixes: 33156/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3_fuzzer-6259655027326976

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 38c4761588)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
75b816f2c4 avformat/mov: Limit nb_chapter_tracks to input size 
Fixes: Timeout (15k loop iterations instead of 400m)
Fixes: 31368/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6601583174483968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 299a56c900)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
29052446dc avformat/mvdec: Check sample rate in parse_audio_var() 
Fixes: signed integer overflow: -635424002382840000 * 16 cannot be represented in type 'long'
Fixes: 33612/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-5704741108711424

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0ff60249a5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
6838715c82 avcodec/faxcompr: Check for end of bitstream in decode_group3_1d_line() and decode_group3_2d_line() 
Fixes: infinite loop
Fixes: 33674/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4816457818046464

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 08d2df4153)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
8fd09b2f34 avcodec/utils: treat PAL8 for jpegs similar to other colorspaces 
Fixes: out of array access
Fixes: 33713/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5778775641030656
Fixes: 33717/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-4960397238075392
Fixes: 33718/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMVJPEG_fuzzer-5314270096130048.fuzz
Fixes: 33719/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5352721864589312
Fixes: 33721/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5938892055379968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f0ce023ddb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
241b505b0c avcodec/jpeglsdec: Set alpha plane in PAL8 so image is not 100% transparent 
Fixes: tickets/3933/128.jls

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 011006874c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
bb46e9cc84 avformat/id3v2: Check end for overflow in id3v2_parse() 
Fixes: signed integer overflow: 9223372036840103978 + 67637280 cannot be represented in type 'long'
Fixes: 33341/clusterfuzz-testcase-minimized-ffmpeg_dem_DSF_fuzzer-6408154041679872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit efdb564504)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
17836637db avformat/wtvdec: Improve size overflow checks in parse_chunks() 
Fixes: signed integer overflow: 32 + 2147483647 cannot be represented in type 'int
Fixes: 32967/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5132856218222592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f8ec1da8ac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
0ccbac1ee8 avcodec/faxcompr: Check remaining bits on error in decode_group3_1d_line() 
Fixes: Timeout
Fixes: 32886/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4779761466474496

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7b3881f0da)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
facc1ef12b avcodec/utils: Check ima wav duration for overflow 
Fixes: signed integer overflow: 44331634 * 65 cannot be represented in type 'int'
Fixes: 32120/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-5760221223583744

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f40e9b1355)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
1e3e8daece avformat/cafdec: Check channels 
Fixes: signed integer overflow: -1184429040541376544 * 32 cannot be represented in type 'long'
Fixes: 31788/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6236746338664448

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 641c1db22b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
3f69b4640f avcodec/dpx: Check bits_per_color earlier 
Fixes: shift exponent 251 is too large for 32-bit type 'int'
Fixes: 32147/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DPX_fuzzer-5519111675314176

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c093eb3031)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00
Michael Niedermayer
57685d44ee avcodec/pnm_parser: Check image size addition for overflow 
Fixes: assertion failure
Fixes: out of array access
Fixes: 32664/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-6533642202513408.fuzz
Fixes: 32669/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGMYUV_fuzzer-6001928875147264

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 79ac8d5546)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-10-09 22:02:20 +02:00